baber/WOPTO huggingface dataset:
Patent WO-0011228-A1 (WO)
Title: Extraction hydrometallurgique de cuivre et d'autres metaux precieux
Inventor: SHAW RAYMOND WALTER
IPC: C22B3/04
Filed: 1999-08-24
Abstract: L'invention concerne un procédé hydrométallurgique d'extraction de cuivre et d'autres métaux précieux dont au moins du zinc, de l'argent et de l'or d'un minerai sulfuré ou d'un concentré. On met à disposition un large éventail d'espèces minérales contenant du cuivre et un ou plus d'un zinc, argent et or. Ce procédé consiste à effectuer au moins deux lixiviations au moyen de jus d'attaque de composition différente, chaque étape lixiviant sélectivement au moins un métal des minéraux. Ce procédé consiste aussi à séparer un résidu solide et un jus d'attaque de sortie après chaque étape de lixiviation, à lixivier le résidu solide généré à chaque étape lors de l'étape suivante et à récupérer le métal extrait du jus d'attaque de sortie obtenu à chaque étape.
Patent WO-9624797-A1 (WO)
Title: Expansion joint for combined-cycle power plants
Inventor: DETHIER ALFRED
IPC: F16L59/21
Filed: 1996-02-02
Abstract: An expansion joint mainly for combined-cycle power plants, comprising flanges (17) all maintained at high temperatures, and a flexible strip (23) bolted to the hot strips and including at least one layer consisting of an insulating material capable of withstanding high temperatures, as well as a heat diffusing member (27) arranged between the bolts (25) for clamping the flexible strip (23) to the flanges (17) and the outer layer of said strip.
Patent WO-9709568-A1 (WO)
Title: 'living flame'-type gas burner
Inventor: BERLAIMONT CLAUDE
IPC: F24C3/00
Filed: 1996-09-04
Abstract: The invention concerns a 'living flame'-type gas burner, i.e. a gas burner of which the flames bring artificial coal or logs to a given degree of incandescence. The gas burner is characterized in that it comprises a combustion chamber in which the mixture of fuel (gas) - oxidizing agent (primary air) circulates. At the top, the combustion chamber comprises a flat metal sheet (2) for receiving an artificial fuel, said metal sheet having holes (3) through which the fuel-oxidizing agent mixture passes. The holes (3) are disposed at the edge of the flat metal plate (2) in the vicinity of the area in which the secondary air circulates.
Patent BG-50904-A1 (BG)
Title: A process for different species origin cholinesterase preparation
Inventor: CHERNOV ALEKSEJ A
IPC: C12N9/16
Filed: 1990-08-09
Abstract: This method is used in biotechnology for deriving cholinesterase with high activity, in a simplified way.Description : the cholinesterase-containing material is balanced with 0.06-0.15 M fluid solution of NaCl, after which it is treated with an absorbent on the basis of an epoxy-activated sepharose and nivalin. Then, it is washed with the same solution and the cholinesterase is eluted from the absorbent with 1-2 M fluid solution of NaCl.
Patent WO-0064234-A1 (WO)
Title: Distributeur de graines horticoles pour outil de semis
Inventor: DE MORAIS FABRICIO ROSA
IPC: A01C7/04
Filed: 2000-04-20
Abstract: L'invention porte sur un distributeur de graines horticoles pour outil de semis, qui comprend un boîtier (10) et un disque (20) monté rotatif dans le boîtier (10). Le boîtier comporte un compartiment à graines  (CS) et un compartiment d'aspiration (CA) qui communique librement avec un dispositif d'aspiration et s'ouvre de manière sélective et réglable à l'air libre. Le disque (20) présente au moins deux rangées de trous (21, 22). Chaque rangée comprend un sélecteur (50, 60) muni d'une extension de bord d'attaque (51, 61) qui, lorsque le disque (20) est en rotation, se déplace sélectivement pour s'interposer sur le trajet d'une partie préétablie des graines, lesquelles graines sont acheminées par un moyen pneumatique dans chaque trou de la rangée respective de trous (21, 22), de sorte que chaque trou pénètre dans le compartiment de déchargement (CD) pour y déposer un nombre désiré de graines. Le compartiment de déchargement (CD) s'ouvre sur des canaux de décharge (15, 16) disposés de manière à recevoir les graines libérées d'une rangée respective de trous (21, 22) au moment où elles pénètrent dans le compartiment de déchargement (CD), et à acheminer ces graines vers une conduite de descente s'ouvrant dans sa partie inférieure sur un ouvreur de sillon respectif, lequel est décalé longitudinalement par rapport aux autres ouvreurs de sillon.
Patent WO-0106631-A1 (WO)
Title: Alimentation universelle a decoupage a securite intrinseque
Inventor: MERCIER CLAUDE
IPC: H05K3/46
Filed: 2000-07-14
Abstract: La présente invention concerne une alimentation universelle à découpage conçue pour fournir un ou plusieurs niveaux de tension et fonctionner à partir d'une gamme de tensions d'entrée en courant alternatif ou en courant continu. Cette alimentation universelle à découpage permet un rapport de 27 entre la tension maximale et la tension minimale. L'alimentation universelle à découpage de l'invention comporte également une sortie à sécurité intrinsèque grâce à un circuit de sortie équipé d'une carte transformateur sur circuit imprimé.
Patent WO-03083990-A1 (WO)
Inventor: SHAFAI LOTFOLLAH
IPC: H01Q5/00
Filed: 2002-03-28
Abstract: An antenna having a resonant structure, comprises an antenna element (11) and an adjacent electrode (17A) and control means (22, 25) for changing a resonance frequency of the antenna element. The control means may comprise a conductive membrane (17A) spaced from the antenna element. The resonance frequency then is changed by flexing the membrane, conveniently by applying a potential difference between the membrane and an adjacent control electrode.
Patent WO-02085337-A1 (WO)
Title: Systemes d'administration de medicament micellaire pour medicaments hydrophobes
Inventor: JACKSON JOHN K
IPC: A61K31/00
Filed: 2002-04-22
Abstract: L'invention concerne des compositions comprenant un médicament hydrophobe, un polymère biocompatible formant des micelles, et un polymère biocompatible hydrosoluble, de bas poids moléculaire. L'invention concerne également des dispositifs pour injecter et pour utiliser ces compositions afin de former des micelles contenant ledit médicament hydrophobe dans le corps d'un patient.
Patent WO-03044301-A1 (WO)
Inventor: GRIZENKO PAUL
IPC: E04D13/158
Filed: 2002-11-20
Abstract: L'invention concerne une structure de solin mural destinée à être montée sur une surface de toiture et utilisée pour recevoir des bardeaux. La structure solin comprend un premier canal de drainage s'étendant dans le sens longitudinal. La structure solin comprend également une lèvre de sécurité placée au-dessus du premier canal de drainage et s'étendant le long de ce canal, un jeu étant défini entre la lèvre de sécurité et le premier canal de drainage, ce jeu étant formé et dimensionné pour recevoir les bardeaux. La structure solin comprend également un deuxième canal de drainage s'étendant dans le sens longitudinal, le deuxième canal de drainage étant en liaison fluidique avec le premier canal de drainage. Ces dispositifs peuvent être adaptés à divers solins utilisés dans l'industrie des couvertures métalliques, y compris mais pas de façon exclusive, aux solins de pignons, aux solins de murs d'extrémité et aux solins de noue ainsi qu'à d'autres structures de solins assimilées.
Patent CA-2003082-A1 (CA)
Title: Electronic flash camera having reduced cycle time
Inventor: GAEWSKY JOHN P
IPC: G03B7/26
Filed: 1989-11-16
Abstract: ELECTRONIC FLASH CAMERA HAVING REDUCED CYCLE TIME              ABSTRACT OF THE DISCLOSURE              A self-developing camera system having an electronic flash, a film transport and processing system including a motor, and a battery for supplying electrical power to the electronic flash and to the motor.  The camera system further includes a control system that connects the battery to the electronic flash for charging purposes and to the motor simultaneously during process-ing of an exposed film unit as long as the battery volt-age does not go below a level that would interfere with the motor's ability to properly drive the film transport system, thus reducing the overall camera cycle time.
Patent CA-2004367-A1 (CA)
Inventor: KHAN MOHAMMAD A
IPC: A61L27/00
Filed: 1989-12-01
Abstract: A substantially hydrophilic polymeric medical article has a coating of chlorhexidine and a silicone on its surface and may have chlorhexidine bulk distributed throughout the polymer. The invention includes a method for preparing the article which includes dipping the article into a solution of chlorhexidine and silicone in a solvent. The method may also include preparing a melt of a substantially hydrophilic polymer having bulk distributed chlorhexidine by twin screw compounding a mixture of polymer and chlorhexidine and extruding the melt into the shape of the desired article prior to applying the coating.
Patent CA-2006246-A1 (CA)
Title: Scrubbing column for an apparatus for the desulfurization of flue gases
Inventor: STEHNING WERNER
IPC: B01D53/50
Filed: 1989-12-20
Abstract: ABSTRACT OF THE DISCLOSURE        A cylindrical scrubbing column having a cylindrical water-separator head is provided with an upwardly converging partition defining a diametrically extending elongated slot which communicates between the scrubbing region of the column and the head, the slot being aligned with a radial outlet for the flue gases from the head.  The slot is flanked by a pair of longitudinally--extending impingement baffle register walls which remove water from the entraining flue gas by impingement baffle separation techniques and a further wall is provided at the end of the slot turned toward the radial outlet.  The walls can converge in the direction of flow of the gas upwardly and the compartments behind the walls communi-cate with the radial outlet.  The system has reduced pressure drop without detrimental effect to the separating efficiency.
Patent CA-2007732-A1 (CA)
Title: Cyclohexaneacetamide derivatives
Inventor: OLSON GARY L
IPC: C07D207/26
Filed: 1990-01-15
Abstract: ABSTRACT          [(5-Oxo-2-pyrrolidinyl)methyl]cyclohexaneacetamides of the formula              I     wherein R1 is hydrogen, lower alkyl or aryl-lower alkyl; R2 is hydrogen, lower alkyl, aryl, aryl-lower alkyl,    , wherein R5 and R6 are hydrogen, lower alkyl or aryl-lower alkyl; R3 and R4, independently, are hydrogen, lower alkyl, or aryl-lower alkyl; and enantiomers, diastereomers, and racemates thereof, and, when R2    , pharmaceutically acceptable acid addition salts thereof exhibit cognitive enhancement and antiamnestic activity and are therefore useful, for example, in treating memory deficits associated with Alzheimer's disease or age-associated memory impairment.
Patent CA-2008287-A1 (CA)
Title: Hybrid amino resin compositions
Inventor: DEMAREY DAVID W
IPC: C08F290/00
Filed: 1990-01-23
Abstract: 06-12(9840)A HYBRID AMINO RESIN COMPOSITIONS ABSTRACT OF THE DISCLOSURE Hybrid curable compositions comprising components curable by condensation, and components curable by free-radical initiated polymerization, cure being catalyzed by a metal sulfonate. The components curable by condensation comprise amino resins and co-reactants. The components curable by free radical initiated polymerization comprise acryloyl compounds and allylic or vinylenearylene-methylidyne compounds.
Patent CA-2008496-A1 (CA)
Title: Flameproofed thermoplastic molding compositions based on phlegmatized red phosphorus
Inventor: STEIERT PETER
IPC: C08K3/02
Filed: 1990-01-24
Abstract: - 29 -          O.Z. 0050/40578 Abstract of the Disclosure: Flameproofed thermoplastic molding compositions contain (A) 10-99% by weight of a thermoplastic polyamide or polyester  or  polyphenylene  ether  or  a  mixture thereof, (B)  1-50% by weight of red phosphorus having a particle size of up to 2 mm which contains, per 100 parts by weight, from 0.05 to 5 parts by weight of a poly-urethane or polyester-polyurethane as phlegmatizer, (C)  0-60% by weight of a fibrous or particulate filler or a mixture thereof and (D)  0-20% by weight of an elastomeric polymer.
Patent CA-2009954-A1 (CA)
Title: Wire rope with compacted plastic filler elements
Inventor: FARRIS CHARLES J
IPC: D07B1/16
Filed: 1990-02-13
Abstract: The present invention provides a plastic filled wire rope.  The wire rope includes a core and plastic elements surrounding the core.  Outer strands surround the plastic elements, and the outer strands are compacted into the plastic elements.  The plastic elements are thusly squeezed to form a plastic layer surrounding the core. The plastic layer further provides a support for the outer strands and keeps the outer strands spaced from the core and from each other.     - i -
Patent CA-2011232-A1 (CA)
Title: Planetary gear system
Inventor: KOBLER INGO
IPC: F16H1/48
Filed: 1990-03-01
Abstract: ABSTRACT OF THE DISCLOSURE.        To permit misalignment of shafts coupling a sun wheel, an annulus, and a cage structure of a planetary gear, the planet  wheel on the cage structure is formed as an engagement wheel pressing a flexible belt, such as toothed belt or a sprocket chain, against an internal gear (6, 106) of the annulus (5, 105), the flexible belt (5, 15, 115) being looped in part about the gear (3) of the sun wheel (2).  The cage (8, 8', 108) is a structure which includes at least one, and preferably three or more radially projecting arms (9, 10, 11, 109) on which respective planet wheels are carried, ensuring engagement of the flexible belt with the internal annulus gear and positioning said flexible belt for being looped about the sun wheel.
Patent CA-2015464-A1 (CA)
Title: Reactor vessel
Inventor: JORDAN ROBERT E
IPC: B01J3/00
Filed: 1990-04-26
Abstract: ABSTRACT OF THE DISCLOSURE A pressure proof reactor vessel and the method of making such vessel wherein the vessel has a cylindrical one-piece outer wall and a cylindrical one-piece cylindrical inner liner, which liner has a smooth continuous interior surface spaced radially inwardly from the outer wall and concentric thereto. The inner cylindrical wall is formed from a one-piece material with its radial thickness being substantially less than the radial thickness of the outer cylindrical wall.  Support means in the form of a spiral is positioned in said space between the cylindrical outer wall and the cylindrical inner liner defining a pathway for the flow of coolant be ween the outer wall and the inner wall.  The support spiral is secured to the outer surface of the one-piece cylindrical inner liner prior to assembling of the inner liner to the outer cylindrical one-piece outer wall.     7430a
Patent CA-2016307-A1 (CA)
Title: Water-based printing compositions
Inventor: WILLIAMS RICHARD K JR
IPC: C09D11/02
Filed: 1990-05-08
Abstract: ABSTRACT            Disclosed herein is a printing comprising a water-based polymer which contains a high Tg emulsion polymer, a nonionic compound 5 for rewetting, and resinous adjunct for reducing water-sensitivity.
Patent CA-2017004-A1 (CA)
Title: Heat treatment method for reducing polythionic acid stress corrosion cracking
Inventor: CRUM JAMES R
IPC: C22C30/00
Filed: 1990-05-17
Abstract: HEAT TREATMENT METHOD FOR REDUCING POLYTHIONIC          ACID STRESS CORROSION CRACKING          ABSTRACT           A heat treatment of alloy 617 generally including 732°C-927°C (1350°F-1700°F) for about one hour.  The resultant discontinuous carbide network in the grain boundaries inhibits stress corrosion crack growth in polythionic acid environments.
Patent CA-2021163-A1 (CA)
Title: Process and device for measuring displacement rates of a web running through a multi-colour rotary printing press
Inventor: ROCH ROGER H
IPC: B41F33/14
Filed: 1990-07-13
Abstract: ABSTRACT          Method and product for measuring the displacement of a web (110) within a multi-colour rotary printing press by means of a mark simultaneously printed with each colour and placed so as to run through under photoelectric detectors for generating signals, the result of the combination of which is representative of the lateral displacement.  This process comprising:       -  arranging above the web (110) two laterally adjacent photoelectric detectors (130, 135) with their common edge situated on the centre of the expected passage of a laterally symmetrical mark (120), and - deducing the lateral displacement of the web (110) from the difference between the intensity variation (d1, d2) of the signals (a1, a2) seen by each of the two photoelectric detectors (130, 135) when the marks (120) pass under.
Patent CA-2022761-A1 (CA)
Inventor: SATO YOSHINORI
IPC: A63F9/02
Filed: 1990-08-07
Abstract: A shooting game machine features that movable members are hit so as to be prevented from reaching a goal, and comprises a plurality of lanes having a starting point and a turning point at both ends, a plurality of movable members moving from the starting point to the goal via the turning point.  Each movable member has a hit indicator adapted to be operated by the player, and movable member controller for returning the hit movable member to the starting point.  The distance between the starting point and the turning point is gradually shortened each time the movable member reaches the turning point so as to make the shooting game more difficult.
Patent CA-2022924-A1 (CA)
Title: Separating membrane and separation method
Inventor: NAGAMATSU SHINJI
IPC: B01D69/02
Filed: 1990-08-08
Abstract: Abstract A separating membrane having a porous membrane structure with a pore size distribution that the membrane does not permeate 90 percent or more of particles having a size of 0.5 micron when the membrane is 0.1 mm thick, being composed of a material having a nitrogen-containing compound, is liquid-permeable to adsorb and retain phosphopolyols contained in a liquid.
Patent CA-2025739-A1 (CA)
Inventor: SETINA JOHN R
IPC: B60R21/12
Filed: 1990-09-19
Abstract: A pivoted automobile partition is described including an adjustable spring bias means for adjusting the force of a coil spring which pivots the partition from a lowered position to a raised position. The adjustment means includes a threaded pivot shaft which is connected to one end of the coil spring and is adjusted into different rotational positions to change the tension of such spring. The pivot shaft is fixed in its adjusted position to a pivot arm on the partition by lock nuts. A tubular housing and plastic cover sleeve completely enclose the spring bias means so that it cannot be tampered with and cannot injure rear seat passengers.
Patent CA-2025857-A1 (CA)
Title: Antitumor composition
Inventor: OHMORI SHINJI
IPC: A61P35/00
Filed: 1990-09-20
Abstract: TITLE OF THE INVENTION            Antitumor composition ABSTRACT OF THE INVENTION      The present invention relates to a useful antitumor composition comprising a compound of the formula:       (wherein R's are the same or different and each means a hydrogen atom or a lower alkyl group) or a pharmaceutically acceptable salt thereof as an active ingredient.
Patent CA-2026642-A1 (CA)
Title: Method for stabilizing or causing regression of atherosclerosis in coronary arteries employing an ace inhibitor
Inventor: ABERG A K GUNNAR
IPC: A61K31/425
Filed: 1990-10-01
Abstract: Abstract METHOD FOR STABILIZING OR CAUSING REGRESSION OF ATHEROSCLEROSIS IN CORONARY  ARTERIES EMPLOYING AN ACE INHIBITOR        A method is provided for slowing the progres-sion of atherosclerosis in coronary arteries in hypertensive or normotensive patients and reducing or eliminating atherosclerotic lesions in such patients in a mammalian species by administering an ACE inhibitor, especially one containing a mercapto moiety, such as captopril or zofenopril.
Patent CA-2029647-A1 (CA)
Title: Osmotic, oral dosage form for fertility control
Inventor: WRIGHT JERI D
IPC: A61K31/57
Filed: 1990-11-09
Abstract: ABSTRACT An osmotic device (10) is disclosed comprising an exterior coat (26) comprising an estrogenic and a progestogenic steroid (27) that are delivered immediately as a contraceptive pair for fertility regulation in a female, and a compartment comprising an estrogenic steroid (17) that is delivered at a controlled rate over a prolonged period of time for fertility regulation in a female.
Patent CA-2031770-A1 (CA)
Title: Position-controlled proportional directional valve
Inventor: SCHWELM HANS
IPC: F15B13/043
Filed: 1990-12-07
Abstract: The main control piston (8) is controlled hydraulically by pilot control slide valves, operated in each case via two control magnets (4, 6) with force build-up proportional to the control current. In the case of failure of the electrical activation, the valve is always positioned in the centre position by pressure centring and in the case of failure of the pilot control pressure it is positioned in the centre position by spring centring.
Patent CA-2032479-A1 (CA)
Title: Doser-dispenser for at least one pasty and/or liquid product
Inventor: TORTEROTOT ROLAND
IPC: B67C3/06
Filed: 1990-05-11
Abstract: In the disclosed doser-dispenser, the doser piston (28) is carried by a first control tube (2) and the valve (32a) forming with the central passage (32b) of said piston (28) an intake valve (32) is situated on the side of the supply chamber (25) and is carried by a second control tube (35) guided in the first tube (2) and extending beyond the lower end of the latter. Each tube (2, 35) is surrounded by and integral with a bellows (6, 38) of which the inside is connected permanently to the outside atmosphere, the top end of the bellows being fixed either to housing (3) or to the lower end of the first tube (2). The second tube (35) with its intake valve (32a) is controlled outside of the housing (3) by means of the piston (36) of a jack.
Patent CA-2034469-A1 (CA)
Inventor: PRZYTULSKI JAMES C
IPC: F02C3/067
Filed: 1991-01-17
Abstract: A gas turbine engine has outer and inner counterrotatable annular turbine rotors and pluralities of turbine blades disposed in alternating rows and mounted on and extending between the respective rotors. An interstage seal arrangement for the engine is composed of a sequence of alternating inner and outer seals. Each outer seal is disposed between an interior side of the outer rotor and outer ends of the blades in one plurality thereof being spaced radially inward at their outer ends from the outer rotor and being mounted at their inner ends to the exterior side of the inner rotor.      Each inner seal is disposed between the exterior side of the inner rotor and inner ends of the blades in another plurality thereof being spaced radially outward at their inner ends from the inner rotor and being mounted at their outer ends to the interior side of the outer rotor. Each inner seal is composed of an annular honeycomb component attached to the blade inner ends and a plurality of annular seal elements or teeth mounted on the exterior side of the inner rotor and projecting radially outwardly therefrom for sealably interfacing with the honeycomb component concurrently as the outer and inner rotors counterrotate relative to one another.
Patent CA-2036393-A1 (CA)
IPC: H04J3/06
Filed: 1990-07-18
Abstract: A frame aligner and a method and system for control thereof, in which the frame alignment is executed while assuring TSSI (Time Slot Sequence Integrity).  In a system for transmitting a plurality of low-speed signals having a frame structure in a high-speed frame, a plurality of candidates for a write start phase for a frame aligner memory (1) are set, and by accessing a common phase memory (8) storing a write start phase shared by low-speed signals requiring phase matching therebetween of all the low-speed signals stored in the high-speed frame, a write start phase is selected from among the candidates for the write start phase for the frame aligner memory.
Patent CA-2038532-A1 (CA)
Title: Antibiotic agents
Inventor: SESIN DAVID F
IPC: A61P31/04
Filed: 1991-03-18
Abstract: TITLE OF THE INVENTION ANTIBIOTIC AGENTS          ABSTRACT OF THE DISCLOSURE         A new antibiotic cyclic lipopeptide and a method of producing it are described.  The agent has very high activity against human pathogens and is of very low mammalian toxicity.